Built for demanding industrial environments, the Siemens HFD63B200L is a 3-pole, 200A unit mount molded case circuit breaker. It fits into standalone enclosures, Sentron panelboards, and switchboards. Equipped with factory-installed line and load side lugs, this FD frame breaker simplifies wiring for heavy-duty applications. It delivers a high interrupting capacity of 65 kAIC at 480VAC and utilizes a reliable thermal magnetic trip mechanism for precise protection.
HACR Rated, Interchangeable Trip Unit, Trip-Free Mechanism, Quick-Make/Quick-Break
Product FAQs
6 answers
What wire sizes do the standard lugs on the HFD63B200L accept?
The factory-installed lugs accept 6 AWG to 350 kcmil copper (Cu) wire or 4 AWG to 350 kcmil aluminum (Al) wire.
Which panelboards are compatible with the HFD63B200L?
This unit mount breaker is designed for use in Siemens Sentron panelboards, switchboards, and individual enclosures. It is a feed-thru style breaker and does not plug onto a busbar.
Is the trip unit on the HFD63B200L adjustable?
The thermal overload protection is fixed at 200A. However, the magnetic (instantaneous) trip setting is adjustable, allowing you to coordinate short circuit protection with downstream devices.
Can the HFD63B200L be used in DC applications?
Yes, this breaker is rated for up to 500VDC with an interrupting capacity of 25kA, making it suitable for specific industrial DC or battery systems.
What does the L suffix indicate in the HFD63B200L catalog number?
The L suffix indicates that the breaker is supplied as a complete, assembled unit with factory-installed line and load side lugs.
How is the HFD63B200L mounted in an enclosure?
It is a unit mount, feed-thru circuit breaker. It requires physical bolt-on or screw mounting to a backpan or bracket rather than plugging directly onto a panelboard bus.
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